X0306 4 2018-04-01 1 0000720002 MAINSOURCE FINANCIAL GROUP MSFG 0001328643 Hines D J 2105 N. ST. RD 3 BYPASS GREENSBURG IN 47240 1 0 0 0 Common Stock 2018-04-01 4 D 0 34194 D 0 D Common Stock 2018-04-01 4 D 0 853 D 0 I Spouse-IRA Common Stock 2018-04-01 4 D 0 678 D 0 I With Spouse JT TEN Common Stock 2018-04-01 4 D 0 300 D 0 I FBO Grandson Common Stock 2018-04-01 4 D 0 135 D 0 I FBO Grandson Common Stock 2018-04-01 4 D 0 130 D 0 I FBO Grandson Common Stock 2018-04-01 4 D 0 130 D 0 I FBO Granddaughter Common Stock 2018-04-01 4 D 0 466 D 0 I By Spouse and Daughter JT TEN Common Stock 2018-04-01 4 D 0 88 D 0 I By Spouse and Son JT TEN Common Stock 2018-04-01 4 D 0 377 D 0 I By Spouse FBO Son On April 1, 2018, MainSource completed its previously announced merger (the "Merger") with First Financial Bancorp, pursuant to an Agreement and Plan of Merger, dated as of July 25, 2017, between MainSource and First Financial. In accordance with the terms of the Merger Agreement, at the effective time of the Merger each share of MainSource common stock issued an outstanding immediately prior to the Merger was converted into the right to receive 1.3875 shares of common stock of First Financial Bancorp. A cash payment of equal value was made in lieu of the issuance of fractional share As authorized by Power of Attorney. /s/ Denise Manus, attorney in fact 2018-04-03